Ratchet wrench



FIG. 1 is a top view thereof;

FIG. 2 is a side view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a back view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a ratchet wrench, as shown. 